Self-hosted SPC and serialization for regulated manufacturing.
Source-available. No per-seat fees. No vendor lock-in.
Website · Pricing · Cassini · Ephemeris
| Product | What it does | License | Status | |
|---|---|---|---|---|
| Cassini | Statistical Process Control | Control charts, capability analysis, Nelson rules, and computation transparency for quality engineers. | AGPL-3.0 | Available |
| Ephemeris | Serialization & Track-and-Trace | Product genealogy from raw material to shipment. MQTT ingestion, EPCIS 2.0 query interface. | Apache-2.0 | Coming 2026 |
A complete SPC platform you deploy on your own infrastructure. Every calculation auditable. Every chart explainable.
- 10+ chart types — X-bar & R, X-bar & S, I-MR, CUSUM, EWMA, p, np, c, u, short-run
- All 8 Nelson rules — individually configurable per chart
- Capability analysis — Cp, Cpk, Pp, Ppk, Cpm with full computation traceability
- "Show Your Work" — click any statistical value to see the formula, steps, and AIAG citation
- 300+ REST API endpoints — build integrations with your MES, ERP, or LIMS
- MQTT / Sparkplug B — real-time data ingestion from industrial IoT
- Your database — SQLite, PostgreSQL, MySQL, or MSSQL
- ISA-95 compliant — equipment hierarchy that matches how your plant operates
docker compose up -dFree forever under AGPL-3.0. Commercial licenses add OPC-UA, gage bridges, electronic signatures (21 CFR Part 11), MSA/Gage R&R, and dedicated support.
Legacy SPC tools charge per-seat, lock your data in proprietary formats, and require vendor consultants to configure.
| Legacy SPC | Saturnis |
|---|---|
| Per-seat licensing | One license, unlimited users |
| Proprietary database | SQLite, PostgreSQL, MySQL, MSSQL — your choice |
| Black-box calculations | Click any value, see the math |
| Cloud-only | Your servers, your data |
- Website — saturnis.io
- Email — hello@saturnis.io
- Ephemeris early access — hello@saturnis.io